2,7-Diamino-10-methyl-9-phenylphenanthridinium bromide 20566-69-2 3,8-Diamino-5-methyl-6-phenylphenanthridinium bromide 518-67-2 6C46 Dimidium bromide EINECS 208-256-7 NSC 522842 Phenanthridinium 1553 Phenanthridinium compound 1553 Phenanthridinium, 3,8-diamino-5-methyl-6-phenyl-, bromide Trypadine